docs(readme): remove example node taints and related effects

ansible/README.md

@@ -100,31 +100,6 @@ kubectl get nodes
 | `node_labels` | dict | - | 自定义标签 |
 | `node_taints` | list | - | 节点污点 (格式: key=value:effect) |
 
-### 节点污点示例
-
-```yaml
-masters:
-  hosts:
-    master1:
-      ansible_host: 10.0.0.1
-      node_taints:
-        - "node-role.kubernetes.io/control-plane:NoSchedule"
-        - "dedicated=gpu:NoSchedule"
-
-agents:
-  hosts:
-    gpu-node:
-      ansible_host: 10.0.0.10
-      node_taints:
-        - "nvidia.com/gpu:NoSchedule"
-```
-
-常用污点效果（Effect）：
-- **NoSchedule**: 不允许新 Pod 调度到此节点
-- **PreferNoSchedule**: 尽量不调度（软限制）
-- **NoExecute**: 驱逐已有 Pod 并禁止新 Pod
-| `kubelet_reserved` | string | - | 资源预留: cpu=500m,memory=512Mi |
-
 ## 环境变量
 
 | 变量 | 必须 | 说明 |